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79408

Sigma-Aldrich

Phosphazene base P1-t-Bu

≥97.0% (GC)

Synonym(s):

tert-Butylimino-tris(dimethylamino)phosphorane, N′-tert-Butyl-N,N,N′,N′,N″,N″-hexamethylphosphorimidic triamide

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About This Item

Empirical Formula (Hill Notation):
C10H27N4P
CAS Number:
81675-81-2
Molecular Weight:
234.32
Beilstein/REAXYS Number:
4178783
MDL number:
MFCD00145111
UNSPSC Code:
12352001
PubChem Substance ID:
57652790
NACRES:
NA.22

Quality Level

100

assay

≥97.0% (GC)

form

liquid

SMILES string

CN(C)P(N(C)C)(N(C)C)=NC(C)(C)C

InChI

1S/C10H27N4P/c1-10(2,3)11-15(12(4)5,13(6)7)14(8)9/h1-9H3

InChI key

YRNOSHBJMBLOSL-UHFFFAOYSA-N

Application

Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases

Other Notes

Sterically hindered, neutral nitrogen base with similar basicity as BEMP (Cat. No. 20025); Base for dehydrating carbamate anions to isocyanates with POCl3 or P4O10

pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

Carc. 1B - Eye Dam. 1 - Muta. 1B - Skin Corr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCBW5899
BCBT9517
BCBM1851V
BCBH2522V
1399527

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R. Schwesinger et al
Angewandte Chemie (International Edition in English), 105, 1420-1420 (1994)
T.E. Waldman et al.
Journal of the Chemical Society. Chemical Communications, 957-957 (1994)
Lan-Fang Hu et al.
Molecules (Basel, Switzerland), 25(2) (2020-01-16)
The copolymerization of biorenewable succinic anhydride (SA) with propylene oxide (PO) is a promising way to synthesize biodegradable aliphatic polyesters. However, the catalytic systems for this reaction still deserve to be explored because the catalytic activity of the reported catalysts

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